503609023 has 2 divisors, whose sum is σ = 503609024. Its totient is φ = 503609022.

The previous prime is 503609017. The next prime is 503609033. The reversal of 503609023 is 320906305.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 503609023 - 2¹³ = 503600831 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 503608982 and 503609000.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (503609033) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 251804511 + 251804512.

It is an arithmetic number, because the mean of its divisors is an integer number (251804512).

Almost surely, 2^503609023 is an apocalyptic number.

503609023 is a deficient number, since it is larger than the sum of its proper divisors (1).

503609023 is an equidigital number, since it uses as much as digits as its factorization.

503609023 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4860, while the sum is 28.

The square root of 503609023 is about 22441.2348813518. The cubic root of 503609023 is about 795.6056052955.

The spelling of 503609023 in words is "five hundred three million, six hundred nine thousand, twenty-three".